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Mathematics 13 Online
OpenStudy (anonymous):

MEDALS FOR HELP PLEASE

OpenStudy (anonymous):

find value x and y

OpenStudy (anonymous):

x=90?

OpenStudy (anonymous):

are those 90 degree angles or not?

OpenStudy (hoblos):

do you know what is the sum of the angles of a triangle ?

OpenStudy (anonymous):

I dont know honestly

OpenStudy (anonymous):

i believe x is

OpenStudy (anonymous):

no i do not. @hoblos

OpenStudy (hoblos):

the sum of angles in a triangle is 180 degrees

OpenStudy (anonymous):

180-47=133

OpenStudy (anonymous):

133-90?

OpenStudy (hoblos):

yeah that's the third angle of the triangle to the right

OpenStudy (hoblos):

133-90 = ?

OpenStudy (anonymous):

43

OpenStudy (hoblos):

correct, AD is the bisector of angle BAC, thus it cut it into two equal angles so what would be y ?

OpenStudy (anonymous):

21.5?

OpenStudy (hoblos):

|dw:1396981119581:dw|

OpenStudy (anonymous):

ohhh, my bad.

OpenStudy (anonymous):

so x=90 and y=43?

OpenStudy (anonymous):

Could you hep me with one more? All i need is the value x. @hoblos

OpenStudy (hoblos):

correct! good job :)

OpenStudy (hoblos):

do you know what is the name of the triangle if two of its sides are equal ?

OpenStudy (anonymous):

isosceles?

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